| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Gunnison | 1 | 6,906 | 6,575 | 1.02% | 1,424 | 5 | City |
| Crested Butte | 2 | 1,692 | 1,656 | -0.06% | 1,952 | 1 | Town |
| Mount Crested Butte | 3 | 971 | 939 | 0.52% | 470 | 2 | Town |
| Pitkin | 4 | 73 | 76 | -1.35% | 283 | 0 | Town |
Gunnison is the largest city in Gunnison County, with a population of 6,906.
Pitkin is the smallest city in Gunnison County, with a population of 73.
There are 4 cities in Gunnison County, Colorado.